@InProceedings{N16-1102,
  author = 	"Cohn, Trevor
		and Hoang, Cong Duy Vu
		and Vymolova, Ekaterina
		and Yao, Kaisheng
		and Dyer, Chris
		and Haffari, Gholamreza",
  title = 	"Incorporating Structural Alignment Biases into an Attentional Neural Translation Model",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2016"
}
@inproceedings{cheng2016agreement,
  title={Agreement-based joint training for bidirectional attention-based neural machine translation},
  author={Cheng, Yong and Shen, Shiqi and He, Zhongjun and He, Wei and Wu, Hua and Sun, Maosong and Liu, Yang},
  booktitle={Proceedings of AAAI},
  year={2016}
}
@InProceedings{D16-1159,
	author = 	"Shi, Xing
	and Padhi, Inkit
	and Knight, Kevin",
	title = 	"Does String-Based Neural MT Learn Source Syntax?",
	booktitle = 	"Proceedings of the 2016 Conference on Empirical Methods in Natural      Language Processing    ",
	year = 	"2016",
}
@InProceedings{P17-1064,
  author = 	"Li, Junhui
		and Xiong, Deyi
		and Tu, Zhaopeng
		and Zhu, Muhua
		and Zhang, Min
		and Zhou, Guodong",
  title = 	"Modeling Source Syntax for Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{P17-1065,
  author = 	"Wu, Shuangzhi
		and Zhang, Dongdong
		and Yang, Nan
		and Li, Mu
		and Zhou, Ming",
  title = 	"Sequence-to-Dependency Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{P17-1140,
  author = 	"Zhang, Jinchao
		and Wang, Mingxuan
		and Liu, Qun
		and Zhou, Jie",
  title = 	"Incorporating Word Reordering Knowledge into Attention-based Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{P17-1177,
  author = 	"Chen, Huadong
		and Huang, Shujian
		and Chiang, David
		and Chen, Jiajun",
  title = 	"Improved Neural Machine Translation with a Syntax-Aware Encoder and Decoder",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{P17-2012,
  author = 	"Eriguchi, Akiko
		and Tsuruoka, Yoshimasa
		and Cho, Kyunghyun",
  title = 	"Learning to Parse and Translate Improves Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{P17-2021,
  author = 	"Aharoni, Roee
		and Goldberg, Yoav",
  title = 	"Towards String-To-Tree Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{D17-1012,
  author = 	"Hashimoto, Kazuma
		and Tsuruoka, Yoshimasa",
  title = 	"Neural Machine Translation with Source-Side Latent Graph Parsing",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{D17-1209,
  author = 	"Bastings, Joost
		and Titov, Ivan
		and Aziz, Wilker
		and Marcheggiani, Diego
		and Simaan, Khalil",
  title = 	"Graph Convolutional Encoders for Syntax-aware Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{D17-1304,
  author = 	"Chen, Kehai
		and Wang, Rui
		and Utiyama, Masao
		and Liu, Lemao
		and Tamura, Akihiro
		and Sumita, Eiichiro
		and Zhao, Tiejun",
  title = 	"Neural Machine Translation with Source Dependency Representation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{N18-1006,
  author = 	"Passban, Peyman
		and Liu, Qun
		and Way, Andy",
  title = 	"Improving Character-Based Decoding Using Target-Side Morphological      Information for Neural Machine Translation    ",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{N18-2078,
  author = 	"Marcheggiani, Diego
		and Bastings, Joost
		and Titov, Ivan",
  title = 	"Exploiting Semantics in Neural Machine Translation with Graph      Convolutional Networks    ",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{P18-1116,
  author = 	"Ma, Chunpeng
		and Tamura, Akihiro
		and Utiyama, Masao
		and Zhao, Tiejun
		and Sumita, Eiichiro",
  title = 	"Forest-Based Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2018"
}
@InProceedings{P18-1164,
  author = 	"Kuang, Shaohui
		and Li, Junhui
		and Branco, Ant{\'o}nio
		and Luo, Weihua
		and Xiong, Deyi",
  title = 	"Attention Focusing for Neural Machine Translation by Bridging Source and Target Embeddings",
  booktitle = 	"Proceedings of ACL",
  year = 	"2018"
}
@InProceedings{P18-2049,
  author = 	"Ataman, Duygu
		and Federico, Marcello",
  title = 	"Compositional Representation of Morphologically-Rich Input for Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2018"
}
@InProceedings{P18-1026,
    author= 	"Beck, Daniel 
    		and Haffari, Gholamreza 
		and Cohn, Trevor",
    title= 	"Graph-to-Sequence Learning using Gated Graph Neural Networks",
    booktitle = 	"Proceedings of ACL",
    year= 	"2018",
}
@InProceedings{P18-2051,
  author = 	"Saunders, Danielle
		and Stahlberg, Felix
		and de Gispert, Adri{\`a}
		and Byrne, Bill",
  title = 	"Multi-representation ensembles and delayed SGD updates improve syntax-based NMT",
  booktitle = 	"Proceedings of ACL",
  year = 	"2018"
}
@InProceedings{C18-1110,
  author = 	"Zhang, Wen
		and Hu, Jiawei
		and Feng, Yang
		and Liu, Qun",
  title = 	"Refining Source Representations with Relation Networks for Neural Machine Translation",
  booktitle = 	"Proceedings of COLING",
  year = 	"2018"
}
@InProceedings{C18-1120,
  author = 	"Zaremoodi, Poorya
		and Haffari, Gholamreza",
  title = 	"Incorporating Syntactic Uncertainty in Neural Machine Translation with a Forest-to-Sequence Model",
  booktitle = 	"Proceedings of COLING",
  year = 	"2018"
}
@InProceedings{C18-1123,
  author = 	"Zhang, Hao
		and Ng, Axel
		and Sproat, Richard",
  title = 	"Fast and Accurate Reordering with ITG Transition RNN",
  booktitle = 	"Proceedings of COLING",
  year = 	"2018"
}
@InProceedings{D18-1037,
  author = 	"G{\={u}}, Jetic
		and Shavarani, Hassan S.
		and Sarkar, Anoop",
  title = 	"Top-down Tree Structured Decoding with Syntactic Connections for Neural Machine Translation and Parsing",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1327,
  author = 	"Currey, Anna
		and Heafield, Kenneth",
  title = 	"Multi-Source Syntactic Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1509,
  author = 	"Wang, Xinyi
		and Pham, Hieu
		and Yin, Pengcheng
		and Neubig, Graham",
  title = 	"A Tree-based Decoder for Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@Article{Q18-1017,
  author = 	"Kiperwasser, Eliyahu
		and Ballesteros, Miguel",
  title = 	"Scheduled Multi-Task Learning: From Syntax to Translation",
  journal = 	"Transactions of the Association for Computational Linguistics",
  year = 	"2018",
  volume = 	"6",
  pages = 	"225--240"
}
